Upgrading and Downgrading Plans

Upgrading or downgrading plans is a pretty simple affair.
Firstly - decide which plan you want to
switch to. Then, inform Heroku that you want to use a different
plan either through their web interface, or via the command
line:

However, Flying Sphinx currently does not migrate any data
across between plans — so you'll want to get your new plan
set up quickly, then restart your app so it's aware of the
connection changes. This is done in two simple lines: